Video Displays@ Video IO@ Display IO@
IBM's official method of recognizing their original EGA graphics card was to look for the string "IBM, Inc." (or something like that) at a certain address in the card's ROM. 3rd party EGA cards simply put "Not a product of " in front of it - satisfying the protocol, without committing a copyright violation.
See also:
file: /Techref/io/video/graphics.htm, 2KB, , updated: 2011/8/18 13:59, local time: 2024/8/14 20:55,
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